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Tim wrote 16 as (-2) is he correct
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5 votes
Tim wrote 16 as (-2) is he correct

User Andrej Lucansky
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1 Answer

4 votes

It is correct because:

(-2)⁴ = (-2)*(-2)*(-2)*(-2) = 4*4 = 16

Yes, it can be use as a base to rewrite 64 but not for 32

Because:

(-2)⁶ = (-2)*(-2)* (-2)*(-2) * (-2)*(-2) = 4*4*4 = 16*4 = 64

(-2)⁵ = (-2)*(-2)*(-2)* (-2)*(-2) =4*4*(-2) = 16*(-2) = -32

-32 ≠ 32

User Alex Vidal
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3.7k points
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